Scooter frame



FIG. 1 is a side elevational view of a scooter frame showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof; and

FIG. 5 is a bottom plan view thereof.

The broken line showing the wheel and axel members is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a scooter frame, substantially as shown and described. 